Cornelius IAC227 Manual de usuario descargar pdf (Pagina 24)

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TROUBLESHOOTING

Trouble Probable Cause Remedy

UNIT WILL NOT RUN A. On–off switch in ”off” position. A. Turn switch to ”on”.

B. Defective on–off switch. B. Check and replace.

C. Blown fuse. C. Replace fuse and check for cause

of blown fuse.

D. Thermostat set too warm for

ambient.

D. Adjust colder.

E. Contactor contacts corroded. E. Check and clean.

F. Defective thermostat. F. Check and replace.

G. Loose electrical connection. G. Check wiring.

H. Gearmotor overload protector

has cut off machine.

H. Turn switch to off then to on.

COMPRESSOR CYCLES

INTERMITTENTLY.

A. Low voltage. A. Check Load voltage.

B. Dirty condenser. B. Clean condenser.

C. Air circulation restricted. C. Remove restriction.

D. Defective condenser fan

motor.

D. Check and replace.

E. Defective relay, overload

protector or starting capacitor.

E. Check and replace.

F. Loose electrical connection F. Check wiring.

MAKING WET ICE. A. Surrounding air temperature

too high.

A. Correct or move unit

B. High water level in float

reservoir.

C. Scale on the evaporator

B. Lower water level

C. Clean

D. Dirty condenser. D. Clean condenser

E. Faulty compressor. E. Check and replace*

F. Refrigerant leak. F. Check and repair*

*NOTE: Special care must be used with R404a (HP62) charged systems using (POE) Polyolester oil.

The refrigeration system must not be open longer than 15 min., and the appropriate drier must be used

due to the moisture absorption properties of the POE oil. Also ALCO EKH Series recommended.

UNIT RUNS BUT MAKES NO

ICE.

A. Leak in refrigerant system. A. Check and repair.

B. Moisture in system. B. Check, evacuate and replace

drier in system.

C. No water. C. Check water supply.

D. ”O” ring leaking at bottom of

evaporator shell mounting

support.

D. Check and replace ”O” ring.

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Cornelius IAC227 Manual de usuario Pagina 24

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